Lecture 5- photosynthesis

May be photosynthetic has adaptations to allow it

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: of"light"that"can"be" effectively"captured"and"used"for"photosynthesis" !"this"is"the"absorption"spectra"of"3"photosynthetic" pigments"(that"were"extracted"from"cells"and"puri<ied) Fig. 7.7a 6 !"action"spectrum:"plot"of"the"effectiveness"of"light"of" Action Spectrum Gardiner 1202B 20-Jan-13 BIOLOGY • Plots some measure of photosynthetic rate against wavelength of light • Not identical to absorption spectrum of chlorophyll since other pigments are present particular"wavelengths" !action"spectrum"for"photosynthesis"is"usually" determined"by"using"a"suspension"of"chloroplasts"or"algal" cells"and"measuring"the"amount"of"O2"released"by" photosynthesis"at"different""wavelengths"of"visible"light 19 !"action"spectrum"in"higher"plants,"representing"the" Action Spectrum combined"effects"of"chlorophylls"and"carotenoids" Fig. 7.7b !"some"plants"dont"need"photosynthesis" Indian Pipe 7 Tissue Localization BIOLOGY 1202B • Any green tissue • Leaves, stems, roots (occasionally only) • Compartments - leaves have large surface area, placement on a plant is optimum for capturing light - larger leaf, shadier location can get more light – Leaves • Placement and location of leaves for maximum efficiency 20-Jan-13 Gardin...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online